adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2001, Adam Dunkels |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 13 | * 3. The name of the author may not be used to endorse or promote |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 14 | * products derived from this software without specific prior |
| 15 | * written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
| 18 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| 23 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 26 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | * |
| 29 | * This file is part of the uIP TCP/IP stack. |
| 30 | * |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 31 | * $Id: vnc-out.c,v 1.5 2004/06/06 05:54:13 adamdunkels Exp $ |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 32 | * |
| 33 | */ |
| 34 | |
| 35 | #include "uip.h" |
| 36 | #include "vnc-server.h" |
| 37 | #include "vnc-out.h" |
| 38 | |
| 39 | #include "libconio.h" |
| 40 | |
adamdunkels | 033f084 | 2003-09-04 19:37:13 +0000 | [diff] [blame] | 41 | #include "ctk-vncserver-conf.h" |
| 42 | |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 43 | #include "ctk-vncfont.h" |
| 44 | |
| 45 | #include "ctk-arch.h" |
| 46 | |
| 47 | #include "ctk-mouse.h" |
| 48 | |
adamdunkels | 91acf26 | 2003-08-12 21:11:09 +0000 | [diff] [blame] | 49 | #ifdef WITH_AVR |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 50 | #include <avr/pgmspace.h> |
| 51 | #else |
| 52 | #define memcpy_P memcpy |
adamdunkels | 91acf26 | 2003-08-12 21:11:09 +0000 | [diff] [blame] | 53 | #endif /* WITH_AVR */ |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 54 | |
| 55 | #define CHARS_WIDTH LIBCONIO_CONF_SCREEN_WIDTH |
| 56 | #define CHARS_HEIGHT LIBCONIO_CONF_SCREEN_HEIGHT |
| 57 | |
| 58 | #define SCREEN_X 10 |
| 59 | #define SCREEN_Y 8 |
| 60 | |
| 61 | #define FONT_WIDTH 6 |
| 62 | #define FONT_HEIGHT 8 |
| 63 | |
| 64 | #define SCREEN_WIDTH (CHARS_WIDTH * FONT_WIDTH + 2 * SCREEN_X) /*420*/ |
| 65 | #define SCREEN_HEIGHT (CHARS_HEIGHT * FONT_HEIGHT + 2 * SCREEN_Y) /*300*/ |
| 66 | #define BORDER_COLOR 0x00 |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 67 | #define SCREEN_COLOR 0x00 /*0xc0*/ |
| 68 | |
| 69 | #define BGR(b,g,r) (((b) << 6) | (g) << 3 | (r)) |
| 70 | |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 71 | |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 72 | static const u8_t menucolor[] = { |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 73 | BGR(3,7,7), /* Background. */ |
| 74 | BGR(2,5,5), /* Anti-alias font color. */ |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 75 | BGR(0,0,0), /* Font color. */ |
| 76 | }; |
| 77 | |
| 78 | |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 79 | static const u8_t activemenucolor[] = { |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 80 | BGR(0,0,0), /* Background. */ |
| 81 | BGR(2,5,5), /* Anti-alias font color. */ |
| 82 | BGR(3,7,7), /* Font color. */ |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 83 | }; |
| 84 | |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 85 | #define W BGR(3,7,7) |
| 86 | #define B BGR(0,0,0) |
| 87 | #define G0 BGR(0,2,2) |
| 88 | #define G1 BGR(1,2,2) |
| 89 | #define G2 BGR(1,3,3) |
| 90 | #define G3 BGR(2,4,4) |
| 91 | #define G4 BGR(2,5,5) |
| 92 | #define G5 BGR(2,6,6) |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 93 | |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 94 | #define BG BGR(1,2,2) |
| 95 | |
| 96 | static const unsigned char backgroundcolor[] = {BG}; |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 97 | |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 98 | static const unsigned char wincol[] = |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 99 | {BGR(2,5,5),BGR(2,2,2),BGR(0,1,1),G2,G3,G4}; |
| 100 | /* {BGR(2,5,5),BGR(2,2,2),BGR(0,1,1),BGR(1,0,0),BGR(2,0,0),BGR(2,1,1)}; */ |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 101 | static const unsigned char wincol_f[] = |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 102 | {BGR(3,7,7),BGR(1,2,2),BGR(0,1,1),G4,G5,W}; |
| 103 | /* {BGR(3,7,7),BGR(1,2,2),BGR(0,1,1),BGR(2,0,0),BGR(3,2,2),BGR(3,4,4)}; */ |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 104 | static const unsigned char wincol_d[] = |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 105 | {BGR(3,7,7),BGR(1,5,5),BGR(0,0,0),BGR(2,0,0),BGR(3,2,2),BGR(3,4,4)}; |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 106 | |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 107 | static const unsigned char sepcol[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 108 | {BGR(2,5,5),BGR(2,6,6),BGR(3,6,6)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 109 | static const unsigned char sepcol_f[] = |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 110 | {BGR(3,7,7),BGR(3,5,5),BGR(2,5,5)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 111 | static const unsigned char sepcol_d[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 112 | {BGR(3,7,7),BGR(1,5,7),BGR(0,0,0)}; |
| 113 | |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 114 | static const unsigned char labcol[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 115 | {BGR(2,5,5),BGR(1,3,3),BGR(0,1,1)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 116 | static const unsigned char labcol_f[] = |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 117 | {BGR(3,7,7),BGR(3,5,5),BGR(0,0,0)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 118 | static const unsigned char labcol_d[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 119 | {BGR(3,7,7),BGR(1,5,5),BGR(0,0,0)}; |
| 120 | |
| 121 | |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 122 | static const unsigned char butcol[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 123 | {BGR(2,4,4),BGR(1,3,3),BGR(0,1,1),BGR(2,4,4),BGR(2,4,4),BGR(2,4,4), |
| 124 | BGR(2,5,5),BGR(2,5,5)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 125 | static const unsigned char butcol_w[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 126 | {BGR(2,4,4),BGR(1,3,3),BGR(0,1,1),BGR(2,4,4),BGR(2,4,4),BGR(2,4,4), |
| 127 | BGR(2,5,5),BGR(2,5,5)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 128 | static const unsigned char butcol_f[] = |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 129 | {G5,G4,B,BGR(3,5,5),BGR(3,6,6),BGR(3,7,7), |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 130 | BGR(3,6,6),BGR(2,5,5)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 131 | static const unsigned char butcol_fw[] = |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 132 | {BGR(3,7,7),BGR(3,6,6),BGR(0,0,0),BGR(1,3,3),BGR(2,7,7),BGR(3,7,7), |
| 133 | BGR(3,6,6),BGR(3,7,7)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 134 | static const unsigned char butcol_d[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 135 | {BGR(2,3,3),BGR(2,5,5),BGR(3,6,6),BGR(1,3,4),BGR(1,5,6),BGR(2,6,7), |
| 136 | BGR(3,7,7),BGR(2,5,5)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 137 | static const unsigned char butcol_dw[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 138 | {BGR(0,0,0),BGR(2,5,5),BGR(3,7,7),BGR(1,3,4),BGR(1,5,6),BGR(2,6,7), |
| 139 | BGR(3,7,7),BGR(2,5,5)}; |
| 140 | |
| 141 | |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 142 | static const unsigned char hlcol[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 143 | {BGR(2,5,5),BGR(1,3,3),BGR(1,0,0)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 144 | static const unsigned char hlcol_w[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 145 | {BGR(2,5,5),BGR(1,3,3),BGR(1,0,0)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 146 | static const unsigned char hlcol_f[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 147 | {BGR(3,6,6),BGR(3,5,5),BGR(3,0,0)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 148 | static const unsigned char hlcol_fw[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 149 | {BGR(3,6,6),BGR(3,6,7),BGR(3,7,7)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 150 | static const unsigned char hlcol_d[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 151 | {BGR(3,7,7),BGR(3,5,5),BGR(2,0,0)}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 152 | static const unsigned char hlcol_dw[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 153 | {BGR(3,7,7),BGR(1,5,5),BGR(0,0,0)}; |
| 154 | |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 155 | static const unsigned char iconcol[] = |
adamdunkels | 1d2858f | 2004-06-06 05:54:13 +0000 | [diff] [blame] | 156 | {BG,G5,W}; |
adamdunkels | b81e560 | 2003-09-02 21:46:41 +0000 | [diff] [blame] | 157 | static const unsigned char iconcol_w[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 158 | {BGR(0,1,1),BGR(2,5,5),BGR(3,7,7)}; |
| 159 | |
| 160 | |
| 161 | |
adamdunkels | 033f084 | 2003-09-04 19:37:13 +0000 | [diff] [blame] | 162 | static const u8_t * const colortheme[] = |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 163 | { |
| 164 | backgroundcolor, |
| 165 | |
| 166 | /* Window colors */ |
| 167 | wincol, wincol, wincol_f, wincol_f, wincol_d, wincol_d, |
| 168 | |
| 169 | /* Separator colors. */ |
| 170 | sepcol, sepcol, sepcol_f, sepcol_f, sepcol_d, sepcol_d, |
| 171 | |
| 172 | /* Label colors. */ |
| 173 | labcol, labcol, labcol_f, labcol_f, labcol_d, labcol_d, |
| 174 | |
| 175 | /* Button colors. */ |
| 176 | butcol, butcol_w, butcol_f, butcol_fw, butcol_d, butcol_dw, |
| 177 | |
| 178 | /* Hyperlink colors. */ |
| 179 | hlcol, hlcol_w, hlcol_f, hlcol_fw, hlcol_d, hlcol_dw, |
| 180 | |
| 181 | /* Textentry colors. */ |
| 182 | butcol, butcol_w, butcol_f, butcol_fw, butcol_d, butcol_dw, |
| 183 | |
| 184 | /* Icon colors */ |
| 185 | iconcol, iconcol_w, iconcol, iconcol_w, iconcol, iconcol_w, |
| 186 | |
| 187 | /* Menu colors. */ |
| 188 | menucolor, activemenucolor, activemenucolor |
| 189 | }; |
| 190 | |
| 191 | |
| 192 | static int mouse_x, mouse_y, mouse_button; |
| 193 | |
| 194 | static u8_t screen[CHARS_WIDTH * CHARS_HEIGHT], |
| 195 | colorscreen[CHARS_WIDTH * CHARS_HEIGHT]; |
| 196 | |
| 197 | |
| 198 | #define PRINTF(x) |
| 199 | |
| 200 | /*-----------------------------------------------------------------------------------*/ |
adamdunkels | 033f084 | 2003-09-04 19:37:13 +0000 | [diff] [blame] | 201 | #define MAX_ICONS CTK_VNCSERVER_CONF_MAX_ICONS |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 202 | struct ctk_icon *icons[MAX_ICONS]; |
| 203 | |
| 204 | unsigned char |
| 205 | vnc_out_add_icon(struct ctk_icon *icon) |
| 206 | { |
| 207 | u8_t i; |
| 208 | signed int empty; |
| 209 | |
| 210 | empty = -1; |
| 211 | for(i = 0; i < MAX_ICONS; ++i) { |
| 212 | if(icon == icons[i]) { |
| 213 | return i; |
| 214 | } |
| 215 | if(icons[i] == NULL && empty < 0){ |
| 216 | empty = i; |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | if(empty == -1) { |
| 221 | empty = 0; |
| 222 | } |
| 223 | icons[empty] = icon; |
| 224 | return empty; |
| 225 | } |
| 226 | |
| 227 | /*-----------------------------------------------------------------------------------*/ |
| 228 | void |
| 229 | vnc_out_init(void) |
| 230 | { |
| 231 | u16_t i; |
| 232 | for(i = 0; i < CHARS_WIDTH * CHARS_HEIGHT; ++i) { |
| 233 | screen[i] = 0x20; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | void |
| 238 | vnc_out_update_screen(u8_t xpos, u8_t ypos, u8_t c, u8_t color) |
| 239 | { |
| 240 | screen[xpos + ypos * CHARS_WIDTH] = c; |
| 241 | colorscreen[xpos + ypos * CHARS_WIDTH] = color; |
| 242 | } |
| 243 | /*-----------------------------------------------------------------------------------*/ |
| 244 | void |
| 245 | vnc_out_update_area(struct vnc_server_state *vs, |
| 246 | u8_t x, u8_t y, u8_t w, u8_t h) |
| 247 | { |
| 248 | u8_t x2, y2, ax2, ay2; |
| 249 | struct vnc_server_update *a, *b; |
| 250 | |
| 251 | PRINTF(("update_area_connection: should update (%d:%d) (%d:%d)\n", |
| 252 | x, y, w, h)); |
| 253 | |
| 254 | /* First check if we already have a full update queued. If so, there |
| 255 | is no need to put this update on the list. If there is a full |
| 256 | update, it is always the first one on the list, so there is no |
| 257 | need to go step the list in search for it. */ |
| 258 | |
| 259 | if(vs->updates_pending != NULL && |
| 260 | vs->updates_pending->type == VNC_SERVER_UPDATE_FULL) { |
| 261 | PRINTF(("Update_area_connecion: full update already queued...\n")); |
| 262 | return; |
| 263 | } |
| 264 | |
| 265 | again: |
| 266 | |
| 267 | /* Check that we don't update the same area twice by going through |
| 268 | the list and search for an update with the same coordinates. */ |
| 269 | for(a = vs->updates_pending; a != NULL; a = a->next) { |
| 270 | if(a->x == x && a->y == y && |
| 271 | a->w == w && a->h == h) { |
| 272 | PRINTF(("Update_area_connecion: found equal area\n")); |
| 273 | return; |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | /* Next we check if this update covers an existing update. If so, we |
| 278 | remove the old update, expand this update so that it covers both |
| 279 | areas to be updated and run through the process again. */ |
| 280 | b = NULL; |
| 281 | for(a = vs->updates_pending; a != NULL; a = a->next) { |
| 282 | x2 = x + w; |
| 283 | y2 = y + h; |
| 284 | |
| 285 | ax2 = a->x + a->w; |
| 286 | ay2 = a->y + a->h; |
| 287 | |
| 288 | /* Test the corners of both updates to see if they are inside the |
| 289 | other area. */ |
| 290 | #define INSIDE(x,y,x1,y1,x2,y2) ((x1) <= (x) && \ |
| 291 | (x2) >= (x) && \ |
| 292 | (y1) <= (y) && \ |
| 293 | (y2) >= (y)) |
| 294 | if(INSIDE(x, y, a->x, a->y, ax2, ay2) || |
| 295 | INSIDE(x, y2, a->x, a->y, ax2, ay2) || |
| 296 | INSIDE(x2, y2, a->x, a->y, ax2, ay2) || |
| 297 | INSIDE(x2, y, a->x, a->y, ax2, ay2) || |
| 298 | INSIDE(a->x, a->y, x, y, x2, y2) || |
| 299 | INSIDE(a->x, ay2, x, y, x2, y2) || |
| 300 | INSIDE(ax2, ay2, x, y, x2, y2) || |
| 301 | INSIDE(ax2, a->y, x, y, x2, y2)) { |
| 302 | |
| 303 | /* Remove the old update from the list. */ |
| 304 | vnc_server_update_remove(vs, a); |
| 305 | |
| 306 | /* Put it on the free list. */ |
| 307 | vnc_server_update_free(vs, a); |
| 308 | |
| 309 | PRINTF(("update_area_connection: inside (%d:%d, %d:%d)\n", |
| 310 | a->x, a->y, ax2, ay2)); |
| 311 | |
| 312 | /* Find the area that covers both updates. */ |
| 313 | #define MIN(a,b) ((a) < (b)? (a): (b)) |
| 314 | #define MAX(a,b) ((a) > (b)? (a): (b)) |
| 315 | x = MIN(a->x, x); |
| 316 | y = MIN(a->y, y); |
| 317 | ax2 = MAX(ax2, x2); |
| 318 | ay2 = MAX(ay2, y2); |
| 319 | w = ax2 - x; |
| 320 | h = ay2 - y; |
| 321 | |
| 322 | /* This should really be done by a recursive call to this |
| 323 | function: update_area_connection(vs, x, y, w, h); but because |
| 324 | some compilers might not be able to optimize away the |
| 325 | recursive call, we do it using a goto instead. */ |
| 326 | PRINTF(("Update_area_connecion: trying larger area (%d:%d) (%d:%d)\n", x, y, w, h)); |
| 327 | goto again; |
| 328 | } |
| 329 | if(b != NULL) { |
| 330 | b = b->next; |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | /* Allocate an update object by pulling it off the free list. If |
| 335 | there are no free objects, we go for a full update instead. */ |
| 336 | |
| 337 | /* a = vs->updates_free;*/ |
| 338 | a = vnc_server_update_alloc(vs); |
| 339 | if(a == NULL) { |
| 340 | PRINTF(("Update_area_connecion: no free updates, doing full\n")); |
| 341 | /* Put all pending updates, except for one, on the free list. Use |
| 342 | the remaining update as a full update. */ |
| 343 | while(vs->updates_pending != NULL) { |
| 344 | a = vs->updates_pending; |
| 345 | vnc_server_update_remove(vs, a); |
| 346 | vnc_server_update_free(vs, a); |
| 347 | } |
| 348 | |
| 349 | a = vnc_server_update_alloc(vs); |
| 350 | a->type = VNC_SERVER_UPDATE_FULL; |
| 351 | vnc_server_update_add(vs, a); |
| 352 | |
| 353 | |
| 354 | } else { |
| 355 | |
| 356 | PRINTF(("Update_area_connecion: allocated update for (%d:%d) (%d:%d)\n", x, y, w, h)); |
| 357 | /* Else, we put the update object at the end of the pending |
| 358 | list. */ |
| 359 | a->type = VNC_SERVER_UPDATE_PARTS; |
| 360 | a->x = x; |
| 361 | a->y = y; |
| 362 | a->w = w; |
| 363 | a->h = h; |
| 364 | vnc_server_update_add(vs, a); |
| 365 | } |
| 366 | } |
| 367 | /*-----------------------------------------------------------------------------------*/ |
| 368 | static void |
| 369 | init_send_screen(struct vnc_server_state *vs) |
| 370 | { |
| 371 | vs->sendmsg = SEND_SCREEN; |
| 372 | vs->x = vs->y = 0; |
| 373 | vs->x1 = vs->y1 = 0; |
| 374 | vs->x2 = vs->y2 = 0; |
| 375 | vs->w = CHARS_WIDTH; |
| 376 | vs->h = CHARS_HEIGHT; |
| 377 | } |
| 378 | /*-----------------------------------------------------------------------------------*/ |
| 379 | static void |
| 380 | check_updates(struct vnc_server_state *vs) |
| 381 | { |
| 382 | |
| 383 | if(vs->state == VNC_RUNNING && |
| 384 | vs->sendmsg == SEND_NONE && |
| 385 | vs->updates_current == NULL) { |
| 386 | if(vs->updates_pending != NULL && |
| 387 | vs->update_requested != 0) { |
| 388 | vs->update_requested = 0; |
| 389 | /* vs->updates_current = vs->updates_pending; |
| 390 | vs->updates_pending = vs->updates_pending->next; |
| 391 | vs->updates_current->next = NULL;*/ |
| 392 | |
| 393 | vs->updates_current = vnc_server_update_dequeue(vs); |
| 394 | |
| 395 | if(vs->updates_current->type == VNC_SERVER_UPDATE_PARTS) { |
| 396 | vs->x = vs->x1 = vs->x2 = vs->updates_current->x; |
| 397 | vs->y = vs->y1 = vs->y2 = vs->updates_current->y; |
| 398 | vs->w = vs->updates_current->w; |
| 399 | vs->h = vs->updates_current->h; |
| 400 | vs->sendmsg = SEND_UPDATE; |
| 401 | |
| 402 | PRINTF(("New update from (%d:%d) (%d:%d) to (%d:%d)\n", |
| 403 | vs->x, vs->y, vs->x1, vs->y1, vs->x + vs->w, |
| 404 | vs->y + vs->h)); |
| 405 | } else if(vs->updates_current->type == VNC_SERVER_UPDATE_FULL) { |
| 406 | init_send_screen(vs); |
| 407 | PRINTF(("New full update\n")); |
| 408 | } |
| 409 | } |
| 410 | } |
| 411 | } |
| 412 | /*-----------------------------------------------------------------------------------*/ |
| 413 | static u8_t tmp[FONT_WIDTH * FONT_HEIGHT]; |
| 414 | static void |
adamdunkels | 91acf26 | 2003-08-12 21:11:09 +0000 | [diff] [blame] | 415 | makechar(CC_REGISTER_ARG char *ptr, u8_t x, u8_t y) |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 416 | { |
| 417 | u8_t i, *tmpptr; |
adamdunkels | 91acf26 | 2003-08-12 21:11:09 +0000 | [diff] [blame] | 418 | register u8_t *colorscheme; |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 419 | unsigned char *bitmap; |
| 420 | u8_t b, b2; |
| 421 | u8_t xmove, ymove; |
| 422 | unsigned char c, color; |
| 423 | |
| 424 | color = colorscreen[x + y * CHARS_WIDTH]; |
| 425 | c = screen[x + y * CHARS_WIDTH]; |
| 426 | |
| 427 | colorscheme = colortheme[color]; |
| 428 | |
| 429 | /* First check if the character is a special icon character. These |
| 430 | are to be interpreted in a special manner: the first character of |
| 431 | the icon (the top left corner) has the highest bit set, but not |
| 432 | but 6. All other characters have bit 6 set, and also count the |
| 433 | number of positions away from the top left corner. Only the top |
| 434 | left corner contains enough information to identify the icon, all |
| 435 | other chars only contain the number of steps to reach the |
| 436 | identifying icon. */ |
| 437 | if((c & 0x80) != 0) { |
| 438 | xmove = c & 0x0f; |
| 439 | ymove = (c & 0x30) >> 4; |
| 440 | |
| 441 | c = colorscreen[x + y * CHARS_WIDTH]; |
adamdunkels | 91acf26 | 2003-08-12 21:11:09 +0000 | [diff] [blame] | 442 | if(icons[c % MAX_ICONS] == NULL) { |
| 443 | c = 0; |
| 444 | } |
| 445 | bitmap = icons[c % MAX_ICONS]->bitmap + ymove * 8*3; |
| 446 | |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 447 | colorscheme = colortheme[VNC_OUT_ICONCOLOR + (c >> 6)]; |
| 448 | switch(xmove) { |
| 449 | case 0: |
| 450 | for(i = 0; i < FONT_HEIGHT; ++i) { |
| 451 | b = bitmap[i]; |
| 452 | *ptr++ = colorscheme[(b >> 7) & 0x01]; |
| 453 | *ptr++ = colorscheme[(b >> 6) & 0x01]; |
| 454 | *ptr++ = colorscheme[(b >> 5) & 0x01]; |
| 455 | *ptr++ = colorscheme[(b >> 4) & 0x01]; |
| 456 | *ptr++ = colorscheme[(b >> 3) & 0x01]; |
| 457 | *ptr++ = colorscheme[(b >> 2) & 0x01]; |
| 458 | } |
| 459 | break; |
| 460 | case 1: |
| 461 | for(i = 0; i < FONT_HEIGHT; ++i) { |
| 462 | b = bitmap[i]; |
| 463 | b2 = bitmap[i + 8]; |
| 464 | *ptr++ = colorscheme[(b >> 1) & 0x01]; |
| 465 | *ptr++ = colorscheme[(b >> 0) & 0x01]; |
| 466 | *ptr++ = colorscheme[(b2 >> 7) & 0x01]; |
| 467 | *ptr++ = colorscheme[(b2 >> 6) & 0x01]; |
| 468 | *ptr++ = colorscheme[(b2 >> 5) & 0x01]; |
| 469 | *ptr++ = colorscheme[(b2 >> 4) & 0x01]; |
| 470 | } |
| 471 | break; |
| 472 | case 2: |
| 473 | for(i = 0; i < FONT_HEIGHT; ++i) { |
| 474 | b = bitmap[i+8]; |
| 475 | b2 = bitmap[i+16]; |
| 476 | *ptr++ = colorscheme[(b >> 3) & 0x01]; |
| 477 | *ptr++ = colorscheme[(b >> 2) & 0x01]; |
| 478 | *ptr++ = colorscheme[(b >> 1) & 0x01]; |
| 479 | *ptr++ = colorscheme[(b >> 0) & 0x01]; |
| 480 | *ptr++ = colorscheme[(b2 >> 7) & 0x01]; |
| 481 | *ptr++ = colorscheme[(b2 >> 6) & 0x01]; |
| 482 | } |
| 483 | break; |
| 484 | case 3: |
| 485 | for(i = 0; i < FONT_HEIGHT; ++i) { |
| 486 | b = bitmap[i+16]; |
| 487 | *ptr++ = colorscheme[(b >> 5) & 0x01]; |
| 488 | *ptr++ = colorscheme[(b >> 4) & 0x01]; |
| 489 | *ptr++ = colorscheme[(b >> 3) & 0x01]; |
| 490 | *ptr++ = colorscheme[(b >> 2) & 0x01]; |
| 491 | *ptr++ = colorscheme[(b >> 1) & 0x01]; |
| 492 | *ptr++ = colorscheme[(b >> 0) & 0x01]; |
| 493 | } |
| 494 | break; |
| 495 | } |
| 496 | } else { |
| 497 | memcpy_P(tmp, &ctk_vncfont[c * (FONT_WIDTH * FONT_HEIGHT)], |
| 498 | FONT_WIDTH * FONT_HEIGHT); |
| 499 | |
| 500 | tmpptr = tmp; |
| 501 | |
| 502 | |
| 503 | for(i = 0; i < FONT_HEIGHT * FONT_WIDTH; ++i) { |
| 504 | *ptr++ = colorscheme[*tmpptr++]; |
| 505 | } |
| 506 | } |
| 507 | } |
| 508 | /*-----------------------------------------------------------------------------------*/ |
| 509 | void |
| 510 | vnc_out_new(struct vnc_server_state *vs) |
| 511 | { |
| 512 | u8_t i; |
| 513 | |
| 514 | vs->width = SCREEN_WIDTH; |
| 515 | vs->height = SCREEN_HEIGHT; |
| 516 | vs->x = vs->y = vs->x1 = vs->y1 = vs->x2 = vs->y2 = 0; |
| 517 | vs->w = CHARS_WIDTH; |
| 518 | vs->h = CHARS_HEIGHT; |
| 519 | |
| 520 | /* Initialize the linked list of updates. */ |
| 521 | for(i = 0; i < VNC_SERVER_MAX_UPDATES - 1; ++i) { |
| 522 | vs->updates_pool[i].next = &vs->updates_pool[i + 1]; |
| 523 | } |
| 524 | vs->updates_pool[VNC_SERVER_MAX_UPDATES].next = NULL; |
| 525 | |
| 526 | vs->updates_free = &vs->updates_pool[0]; |
| 527 | vs->updates_pending = vs->updates_current = NULL; |
| 528 | } |
| 529 | /*-----------------------------------------------------------------------------------*/ |
| 530 | void |
| 531 | vnc_out_send_blank(struct vnc_server_state *vs) |
| 532 | { |
| 533 | struct rfb_fb_update *umsg; |
| 534 | u8_t *ptr; |
| 535 | u16_t len; |
| 536 | u8_t msglen; |
| 537 | |
| 538 | vs->x = vs->y = 0; |
| 539 | vs->x2 = vs->y2 = 0; |
| 540 | |
| 541 | umsg = (struct rfb_fb_update *)uip_appdata; |
| 542 | |
| 543 | umsg->type = RFB_FB_UPDATE; |
| 544 | umsg->rects = HTONS(2); |
| 545 | |
| 546 | ptr = (u8_t *)umsg + sizeof(struct rfb_fb_update); |
| 547 | len = sizeof(struct rfb_fb_update); |
| 548 | |
| 549 | msglen = vnc_server_draw_rect(ptr, 0, 0, |
| 550 | HTONS(SCREEN_WIDTH), |
| 551 | HTONS(SCREEN_HEIGHT), |
| 552 | BORDER_COLOR); |
| 553 | |
| 554 | |
| 555 | ptr += msglen; |
| 556 | len += msglen; |
| 557 | |
| 558 | msglen = vnc_server_draw_rect(ptr, |
| 559 | HTONS(SCREEN_X), HTONS(SCREEN_Y), |
| 560 | HTONS(SCREEN_WIDTH - SCREEN_X * 2), |
| 561 | HTONS(SCREEN_HEIGHT - SCREEN_Y * 2), |
| 562 | SCREEN_COLOR); |
| 563 | |
| 564 | uip_send(uip_appdata, len + msglen); |
| 565 | |
| 566 | vs->sendmsg = SENT_BLANK; |
| 567 | } |
| 568 | /*-----------------------------------------------------------------------------------*/ |
| 569 | void |
| 570 | vnc_out_send_screen(struct vnc_server_state *vs) |
| 571 | { |
| 572 | vnc_out_send_update(vs); |
| 573 | } |
| 574 | /*-----------------------------------------------------------------------------------*/ |
adamdunkels | 033f084 | 2003-09-04 19:37:13 +0000 | [diff] [blame] | 575 | static short tmpbuf[30]; |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 576 | void |
| 577 | vnc_out_send_update(struct vnc_server_state *vs) |
| 578 | { |
| 579 | u8_t x, y, x0; |
| 580 | u8_t msglen; |
| 581 | u16_t len, n; |
| 582 | u8_t *ptr; |
| 583 | struct rfb_fb_update *umsg; |
| 584 | struct rfb_fb_update_rect_hdr *recthdr; |
| 585 | struct rfb_rre_hdr *rrehdr; |
| 586 | u8_t c, color, lastcolor; |
| 587 | u8_t numblanks; |
| 588 | |
| 589 | /* First, check if we need to feed the update function with a new |
| 590 | pending update. */ |
| 591 | check_updates(vs); |
| 592 | |
| 593 | /* PRINTF(("Sending Update from (%d:%d) (%d:%d) to (%d:%d)\n", |
| 594 | vs->x, vs->y, vs->x1, vs->y1, vs->x + vs->w, |
| 595 | vs->y + vs->h));*/ |
| 596 | |
| 597 | umsg = (struct rfb_fb_update *)uip_appdata; |
| 598 | |
| 599 | umsg->type = RFB_FB_UPDATE; |
| 600 | |
| 601 | x0 = vs->x1; |
| 602 | n = 0; |
| 603 | msglen = 0; |
| 604 | ptr = (u8_t *)umsg + sizeof(struct rfb_fb_update); |
| 605 | len = sizeof(struct rfb_fb_update); |
| 606 | |
| 607 | /* Loop over all characters that are covered by this update. */ |
| 608 | for(y = vs->y1; y < vs->y + vs->h; ++y) { |
| 609 | for(x = x0; x < vs->x + vs->w; ++x) { |
| 610 | |
| 611 | |
| 612 | /* First check if there are any blank space characters, and if |
| 613 | so, find out how many of them there are in a row. Instead of |
| 614 | sending the individual space characters as raw bitmaps, we |
| 615 | can send the entire string of blanks as a single color |
| 616 | rectangle instead. */ |
| 617 | |
| 618 | c = screen[x + y * CHARS_WIDTH]; |
| 619 | numblanks = 0; |
| 620 | lastcolor = color = colorscreen[x + y * CHARS_WIDTH]; |
| 621 | |
| 622 | /* If the character is a blank, we continue reading characters |
| 623 | until we find one that has a different color, or one that is |
| 624 | not a blank. We must keep within the update rectangle, so we |
| 625 | make sure that the "x" variable does not increase beyond the |
| 626 | edge. The "numblanks" variable is used to keep track of how |
| 627 | many blank characters we have found. */ |
| 628 | while(lastcolor == color && |
| 629 | c == 0x20 && |
| 630 | x < vs->x + vs->w) { |
| 631 | ++numblanks; |
| 632 | |
| 633 | |
| 634 | ++x; |
| 635 | lastcolor = color; |
| 636 | color = colorscreen[x + y * CHARS_WIDTH]; |
| 637 | c = screen[x + y * CHARS_WIDTH]; |
| 638 | } |
| 639 | |
| 640 | if(numblanks > 0) { |
| 641 | |
| 642 | /* PRINTF(("Found %d blanks (%d:%d -> %d:%d)\n", |
| 643 | numblanks, x - numblanks, y, x, y));*/ |
| 644 | |
| 645 | /* There were one or more blank characters, so we send out a |
| 646 | single color rectangle with the right width. But first we |
| 647 | make sure that there is enough space in the current TCP |
| 648 | segment to put the rectangle. If there isn't we have to |
| 649 | backtrack the "x" variable to where we found the first |
| 650 | blank character so that the next TCP segment will be able |
| 651 | to update this area instead. */ |
| 652 | |
| 653 | msglen = sizeof(struct rfb_fb_update_rect_hdr) + |
adamdunkels | 033f084 | 2003-09-04 19:37:13 +0000 | [diff] [blame] | 654 | /*sizeof(struct rfb_rre_hdr)*/5; |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 655 | |
| 656 | if(msglen >= uip_mss() - len) { |
| 657 | /* PRINTF(("Not enouch space for blanks (%d, left %d)\n", |
| 658 | msglen, uip_mss() - len));*/ |
| 659 | /* There is not enough space in the segment, so we remember |
| 660 | where we were ... */ |
| 661 | vs->x2 = x - numblanks; |
| 662 | vs->y2 = y; |
| 663 | |
| 664 | /* ... and we break out of the loop. */ |
| 665 | goto loopend; |
| 666 | } |
| 667 | |
| 668 | /* We construct a rectangle with the right width and color. */ |
adamdunkels | 033f084 | 2003-09-04 19:37:13 +0000 | [diff] [blame] | 669 | /* recthdr = (struct rfb_fb_update_rect_hdr *)ptr;*/ |
| 670 | recthdr = (struct rfb_fb_update_rect_hdr *)tmpbuf; |
| 671 | rrehdr = (struct rfb_rre_hdr *)((char *)recthdr + |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 672 | sizeof(struct rfb_fb_update_rect_hdr)); |
| 673 | |
| 674 | /* PRINTF(("Blankign (%d:%d) to (%d:%d)\n", |
| 675 | (x - numblanks) * FONT_WIDTH, |
| 676 | y * FONT_HEIGHT, |
| 677 | FONT_WIDTH * numblanks, |
| 678 | FONT_HEIGHT));*/ |
| 679 | recthdr->rect.x = htons(SCREEN_X + (x - numblanks) * |
| 680 | FONT_WIDTH); |
| 681 | recthdr->rect.y = htons(SCREEN_Y + y * FONT_HEIGHT); |
| 682 | recthdr->rect.w = htons(FONT_WIDTH * numblanks); |
| 683 | recthdr->rect.h = HTONS(FONT_HEIGHT); |
| 684 | recthdr->encoding[0] = |
| 685 | recthdr->encoding[1] = |
| 686 | recthdr->encoding[2] = 0; |
| 687 | recthdr->encoding[3] = RFB_ENC_RRE; |
| 688 | |
| 689 | rrehdr->subrects[0] = |
| 690 | rrehdr->subrects[1] = 0; |
| 691 | rrehdr->bgpixel = colortheme[lastcolor][0]; |
| 692 | |
| 693 | --x; |
| 694 | } else { |
| 695 | |
| 696 | /* So there were no blank characters. */ |
| 697 | |
| 698 | /* PRINTF(("An char at (%d:%d)\n", x, y));*/ |
| 699 | /* First we must make sure that there is enough space in the |
| 700 | outgoing TCP segment. */ |
| 701 | |
| 702 | msglen = sizeof(struct rfb_fb_update_rect_hdr) + |
| 703 | FONT_HEIGHT * FONT_WIDTH; |
| 704 | if(msglen >= uip_mss() - len) { |
| 705 | /* PRINTF(("Not enouch space for char (%d, left %d)\n", |
| 706 | msglen, uip_mss() - len));*/ |
| 707 | |
| 708 | /* There is not enough space in the segment, so we remember |
| 709 | where we were ... */ |
| 710 | vs->x2 = x; |
| 711 | vs->y2 = y; |
| 712 | |
| 713 | /* ... and we break out of the loop. */ |
| 714 | goto loopend; |
| 715 | } |
| 716 | |
| 717 | /* PRINTF(("ptr %p\n",ptr);*/ |
adamdunkels | 033f084 | 2003-09-04 19:37:13 +0000 | [diff] [blame] | 718 | /* recthdr = (struct rfb_fb_update_rect_hdr *)ptr;*/ |
| 719 | recthdr = (struct rfb_fb_update_rect_hdr *)tmpbuf; |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 720 | |
| 721 | recthdr->rect.x = htons(SCREEN_X + x * FONT_WIDTH); |
| 722 | recthdr->rect.y = htons(SCREEN_Y + y * FONT_HEIGHT); |
| 723 | recthdr->rect.w = HTONS(FONT_WIDTH); |
| 724 | recthdr->rect.h = HTONS(FONT_HEIGHT); |
| 725 | recthdr->encoding[0] = |
| 726 | recthdr->encoding[1] = |
| 727 | recthdr->encoding[2] = 0; |
| 728 | recthdr->encoding[3] = RFB_ENC_RAW; |
adamdunkels | 91acf26 | 2003-08-12 21:11:09 +0000 | [diff] [blame] | 729 | |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 730 | makechar((u8_t *)recthdr + |
| 731 | sizeof(struct rfb_fb_update_rect_hdr), |
| 732 | x, y); |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 733 | } |
adamdunkels | 033f084 | 2003-09-04 19:37:13 +0000 | [diff] [blame] | 734 | memcpy(ptr, tmpbuf, msglen); |
| 735 | PRINTF(("Msglen %d (%d:%d)\n", msglen, x, y)); |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 736 | len += msglen; |
| 737 | ptr += msglen; |
| 738 | ++n; |
| 739 | } |
| 740 | x0 = vs->x; |
| 741 | } |
| 742 | |
| 743 | loopend: |
| 744 | |
| 745 | umsg->rects = htons(n); |
| 746 | |
| 747 | if(y == vs->y + vs->h && x == vs->x + vs->w) { |
| 748 | vs->x2 = vs->y2 = 0; |
| 749 | } |
| 750 | |
| 751 | if(n > 0) { |
| 752 | /* printf("Sending %d rects, %d bytes (%p, %p, %p)\n", n, len, |
| 753 | uip_appdata, umsg, ptr);*/ |
| 754 | uip_send(uip_appdata, len); |
| 755 | } |
| 756 | |
| 757 | } |
| 758 | /*-----------------------------------------------------------------------------------*/ |
adamdunkels | 033f084 | 2003-09-04 19:37:13 +0000 | [diff] [blame] | 759 | #define NUMKEYS 20 |
adamdunkels | 2d01531 | 2003-07-02 21:34:00 +0000 | [diff] [blame] | 760 | static char keys[NUMKEYS]; |
| 761 | static int firstkey, lastkey; |
| 762 | |
| 763 | |
| 764 | char |
| 765 | vnc_out_keyavail(void) |
| 766 | { |
| 767 | return firstkey != lastkey; |
| 768 | } |
| 769 | |
| 770 | char |
| 771 | vnc_out_getkey(void) |
| 772 | { |
| 773 | char key; |
| 774 | key = keys[firstkey]; |
| 775 | |
| 776 | if(firstkey != lastkey) { |
| 777 | ++firstkey; |
| 778 | if(firstkey >= NUMKEYS) { |
| 779 | firstkey = 0; |
| 780 | } |
| 781 | } |
| 782 | |
| 783 | return key; |
| 784 | } |
| 785 | |
| 786 | void |
| 787 | vnc_out_key_event(struct vnc_server_state *vs) |
| 788 | { |
| 789 | struct rfb_key_event *ev; |
| 790 | |
| 791 | ev = (struct rfb_key_event *)uip_appdata; |
| 792 | |
| 793 | if(ev->down != 0) { |
| 794 | if(vs->sendmsg == SEND_NONE) { |
| 795 | vs->sendmsg = SEND_UPDATE; |
| 796 | } |
| 797 | |
| 798 | |
| 799 | if(ev->key[2] == 0 || |
| 800 | (ev->key[2] == 0xff && |
| 801 | (ev->key[3] == CH_HOME || |
| 802 | ev->key[3] == CH_TAB || |
| 803 | ev->key[3] == CH_ESC || |
| 804 | ev->key[3] == CH_DEL || |
| 805 | ev->key[3] == CH_ENTER || |
| 806 | ev->key[3] == CH_CURS_LEFT || |
| 807 | ev->key[3] == CH_CURS_UP || |
| 808 | ev->key[3] == CH_CURS_RIGHT || |
| 809 | ev->key[3] == CH_CURS_DOWN))) { |
| 810 | |
| 811 | keys[lastkey] = ev->key[3]; |
| 812 | ++lastkey; |
| 813 | if(lastkey >= NUMKEYS) { |
| 814 | lastkey = 0; |
| 815 | } |
| 816 | } |
| 817 | } |
| 818 | |
| 819 | check_updates(vs); |
| 820 | } |
| 821 | /*-----------------------------------------------------------------------------------*/ |
| 822 | void |
| 823 | vnc_out_pointer_event(struct vnc_server_state *vs) |
| 824 | { |
| 825 | struct rfb_pointer_event *ev; |
| 826 | u16_t evx, evy; |
| 827 | |
| 828 | ev = (struct rfb_pointer_event *)uip_appdata; |
| 829 | |
| 830 | evx = htons(ev->x); |
| 831 | evy = htons(ev->y); |
| 832 | |
| 833 | if(evx > SCREEN_X && evx < SCREEN_WIDTH - 2 * SCREEN_X && |
| 834 | evy > SCREEN_Y && evy < SCREEN_HEIGHT - 2 * SCREEN_Y) { |
| 835 | |
| 836 | mouse_button = ev->buttonmask & RFB_BUTTON_MASK1; |
| 837 | |
| 838 | mouse_x = evx - SCREEN_X; |
| 839 | mouse_y = evy - SCREEN_Y; |
| 840 | |
| 841 | check_updates(vs); |
| 842 | } |
| 843 | } |
| 844 | /*-----------------------------------------------------------------------------------*/ |
| 845 | void |
| 846 | vnc_out_acked(struct vnc_server_state *vs) |
| 847 | { |
| 848 | if(vs->state != VNC_RUNNING) { |
| 849 | return; |
| 850 | } |
| 851 | if(vs->sendmsg == SENT_BLANK) { |
| 852 | init_send_screen(vs); |
| 853 | } else if(vs->sendmsg == SEND_BLANK) { |
| 854 | /* Do nothing until sendmsg == SENT_BLANK. */ |
| 855 | } else if(vs->sendmsg == SEND_SCREEN) { |
| 856 | /* When the screen has been fully drawn, ->x2 and ->y2 are both |
| 857 | set to 0 to indicate this.*/ |
| 858 | if(vs->x2 == 0 && vs->y2 == 0) { |
| 859 | vs->sendmsg = SEND_NONE; |
| 860 | |
| 861 | /* If there was an updaterequest for the entire screen, we can |
| 862 | clear that flag now. */ |
| 863 | if(vs->updates_current != NULL) { |
| 864 | vnc_server_update_free(vs, vs->updates_current); |
| 865 | vs->updates_current = NULL; |
| 866 | } |
| 867 | check_updates(vs); |
| 868 | } else { |
| 869 | vs->x1 = vs->x2; |
| 870 | vs->y1 = vs->y2; |
| 871 | } |
| 872 | |
| 873 | } else if(vs->sendmsg == SEND_UPDATE) { |
| 874 | if(vs->x2 == 0 && vs->y2 == 0) { |
| 875 | /* So, we have updated the area that we needed. We now check if |
| 876 | there have been any recent full screen update requests. If |
| 877 | so, we need to go to the SEND_SCREEN state. Else, we see if |
| 878 | there were more areas that needed to be updated and if so, |
| 879 | we'll continue with those. */ |
| 880 | |
| 881 | vs->sendmsg = SEND_NONE; |
| 882 | |
| 883 | if(vs->updates_current != NULL) { |
| 884 | vnc_server_update_free(vs, vs->updates_current); |
| 885 | vs->updates_current = NULL; |
| 886 | |
| 887 | } |
| 888 | check_updates(vs); |
| 889 | #if 0 |
| 890 | if(vs->updaterequest == VNC_SERVER_UPDATE_FULL) { |
| 891 | check_updates(vs); |
| 892 | } else { |
| 893 | vs->updatesptr2 = (vs->updatesptr2 + 1) % |
| 894 | VNC_SERVER_MAX_UPDATES; |
| 895 | |
| 896 | /* If there are no more updates to do, we'll go back to the |
| 897 | SEND_NONE state. */ |
| 898 | if(vs->updatesptr2 == vs->updatesptr) { |
| 899 | vs->updatetype = VNC_SERVER_UPDATE_NONE; |
| 900 | } else { |
| 901 | /* Otherwise, we continue to update the next area. */ |
| 902 | vs->updaterequest = VNC_SERVER_UPDATE_PARTS; |
| 903 | check_updates(vs); |
| 904 | } |
| 905 | } |
| 906 | #endif /* 0 */ |
| 907 | } else { |
| 908 | vs->x1 = vs->x2; |
| 909 | vs->y1 = vs->y2; |
| 910 | } |
| 911 | } else { |
| 912 | vs->sendmsg = SEND_NONE; |
| 913 | } |
| 914 | } |
| 915 | /*-----------------------------------------------------------------------------------*/ |
| 916 | void |
| 917 | vnc_out_poll(struct vnc_server_state *vs) |
| 918 | { |
| 919 | /* PRINTF(("vs->state %d, sendmsg %d, updatetype %d, updatereq %d\n", |
| 920 | vs->state, vs->sendmsg, vs->updatetype, vs->updaterequest);*/ |
| 921 | |
| 922 | if(vs->state == VNC_RUNNING && |
| 923 | vs->sendmsg == SEND_NONE) { |
| 924 | check_updates(vs); |
| 925 | vnc_server_send_data(vs); |
| 926 | } |
| 927 | } |
| 928 | /*-----------------------------------------------------------------------------------*/ |
| 929 | void |
| 930 | ctk_mouse_init(void) |
| 931 | { |
| 932 | |
| 933 | } |
| 934 | /*-----------------------------------------------------------------------------------*/ |
| 935 | unsigned short |
| 936 | ctk_mouse_x(void) |
| 937 | { |
| 938 | return mouse_x; |
| 939 | } |
| 940 | /*-----------------------------------------------------------------------------------*/ |
| 941 | unsigned short |
| 942 | ctk_mouse_y(void) |
| 943 | { |
| 944 | return mouse_y; |
| 945 | } |
| 946 | /*-----------------------------------------------------------------------------------*/ |
| 947 | unsigned char |
| 948 | ctk_mouse_xtoc(unsigned short x) |
| 949 | { |
| 950 | return x / FONT_WIDTH; |
| 951 | } |
| 952 | /*-----------------------------------------------------------------------------------*/ |
| 953 | unsigned char |
| 954 | ctk_mouse_ytoc(unsigned short y) |
| 955 | { |
| 956 | return y / FONT_HEIGHT; |
| 957 | } |
| 958 | /*-----------------------------------------------------------------------------------*/ |
| 959 | unsigned char |
| 960 | ctk_mouse_button(void) |
| 961 | { |
| 962 | return mouse_button; |
| 963 | } |
| 964 | /*-----------------------------------------------------------------------------------*/ |
| 965 | void |
| 966 | ctk_mouse_hide(void) |
| 967 | { |
| 968 | } |
| 969 | /*-----------------------------------------------------------------------------------*/ |
| 970 | void |
| 971 | ctk_mouse_show(void) |
| 972 | { |
| 973 | } |
| 974 | /*-----------------------------------------------------------------------------------*/ |